thousands of volunteers in nearly every community took advantage of the great weather to give the environment a little extra care. teams of volunteers from pacific beach to golden gate park could be seen working together on cleanup and beautification projects in oak ladies and gentlemen, many locations, including lake merritt were getting special attention, from trash pickup, graffiti removal, weeding and planting, 3500 volunteers were working to give the city a makeover. earth day is the city's largest single day volunteer project. >> about 400 volunteers are coming together this weekend to build hope and affordable housing in east oakland. earth day laurens the three-day habitat for humanity buildup. volunteer crews are constructing eight homes. what would normally take three months of construction will be completed by monday night. thanks to the community and corporate teams. the project is sponsored by the east basil con valley chapter of habitat for humanity. and hopefully they will have good weather as they undertake that project. >> monday and tuesday, expect this through next week as